Patent US3366993A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3366993A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for molding

Assignee: Individual
•
Filing: 1965-03-15
•
Granted: 1968-02-06
•
Expires: 1985-03-15
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Jerome H Lemelson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 10:41
CPC Classifications
F; F28; F28F; F28F13/00; F28F13/18; B; B29; B29C; B29C41/00; B29C41/02; B29C41/08; B29C41/34; B29C41/36; B29C41/365; B29C44/00; B29C44/02; B29C44/04; B29C44/0461; F28F19/00; F28F19/02; F28F3/00; F28F3/12; F28F3/14; B29C37/00; B29C37/0025; B29C37/0028; B29C2037/0039; B29K; B29K2105/00; B29K2105/04; Y; Y10; Y10S; Y10S273/00; Y10S273/20

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 123 words
MOLDING APPARATUS COMPRISING A MOLD HAVING A CAVITY FOR RECEIVING MOLDING MATERIAL TO BE MOLDED TO SHAPE AGAINST THE WALLS OF SAID CAVITY, AN OPENING IN SAID MOLD DEFINING A PASSAGEWAY COMMUNICATING WITH SAID CAVITY VALVE MEANS INCLUDING MOVABLE MEANS FOR MAINTAINING SAID PASSAGEWAY CLOSED DURING MOLDING, AN INJECTION MEANS FOR FLUENT MOLDING MATERIAL INCLUDING AN ELONGATED NOZZLE OPERATIVE TO EJECT MOLDING MATERIAL THEREFROM, MEANS FOR ADVANCING SAID NOZZLE INTO SAID OPENING UPON THE ALIGNMENT OF SAID NOZZLE AND SAID OPENING SAID VALVE MEANS BEING OPERATIVE TO RECEIVE SAID NOZZLE, SAID MOVABLE MEANS BEING DISPLACED BY SAID NOZZLE UPON MOVEMENT OF SAID NOZZLE AGAINST SAID VALVE MEANS TO OPEN SAID VALVE PERMITTING INJECTION OF SAID MOLDING MATERIAL INTO SAID MOLD FROM SAID NOZZLE.
Claim 2
Dependent Claim 123 words
MOLDING APPARATUS COMPRISING A MOLD HAVING A CAVITY FOR RECEIVING MOLDING MATERIAL TO BE MOLDED TO SHAPE AGAINST THE WALLS OF SAID CAVITY, AN OPENING IN SAID MOLD DEFINING A PASSAGEWAY COMMUNICATING WITH SAID CAVITY VALVE MEANS INCLUDING MOVABLE MEANS FOR MAINTAINING SAID PASSAGEWAY CLOSED DURING MOLDING, AN INJECTION MEANS FOR FLUENT MOLDING MATERIAL INCLUDING AN ELONGATED NOZZLE OPERATIVE TO EJECT MOLDING MATERIAL THEREFROM, MEANS FOR ADVANCING SAID NOZZLE INTO SAID OPENING UPON THE ALIGNMENT OF SAID NOZZLE AND SAID OPENING SAID VALVE MEANS BEING OPERATIVE TO RECEIVE SAID NOZZLE, SAID MOVABLE MEANS BEING DISPLACED BY SAID NOZZLE UPON MOVEMENT OF SAID NOZZLE AGAINST SAID VALVE MEANS TO OPEN SAID VALVE PERMITTING INJECTION OF SAID MOLDING MATERIAL INTO SAID MOLD FROM SAID NOZZLE.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-02-05 1971-08-07 1972-02-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-02-05 1975-08-07 1976-02-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-02-05 1979-08-07 1980-02-06 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag